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-rw-r--r--system/libraries/Driver.php261
1 files changed, 189 insertions, 72 deletions
diff --git a/system/libraries/Driver.php b/system/libraries/Driver.php
index 9ae7b0c7c..7059be645 100644
--- a/system/libraries/Driver.php
+++ b/system/libraries/Driver.php
@@ -1,19 +1,42 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author EllisLab Dev Team
- * @copyright Copyright (c) 2006 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2019 - 2022, CodeIgniter Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
+ * @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
+ * @license https://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.0.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CodeIgniter Driver Library Class
@@ -27,72 +50,150 @@
* @author EllisLab Dev Team
* @link
*/
+#[\AllowDynamicProperties]
class CI_Driver_Library {
- protected $valid_drivers = array();
+ /**
+ * Array of drivers that are available to use with the driver class
+ *
+ * @var array
+ */
+ protected $valid_drivers = array();
+
+ /**
+ * Name of the current class - usually the driver class
+ *
+ * @var string
+ */
protected $lib_name;
- // The first time a child is used it won't exist, so we instantiate it
- // subsequents calls will go straight to the proper child.
- function __get($child)
+ /**
+ * Get magic method
+ *
+ * The first time a child is used it won't exist, so we instantiate it
+ * subsequents calls will go straight to the proper child.
+ *
+ * @param string Child class name
+ * @return object Child class
+ */
+ public function __get($child)
{
+ // Try to load the driver
+ return $this->load_driver($child);
+ }
+
+ /**
+ * Load driver
+ *
+ * Separate load_driver call to support explicit driver load by library or user
+ *
+ * @param string Driver name (w/o parent prefix)
+ * @return object Child class
+ */
+ public function load_driver($child)
+ {
+ // Get CodeIgniter instance and subclass prefix
+ $prefix = config_item('subclass_prefix');
+
if ( ! isset($this->lib_name))
{
- $this->lib_name = get_class($this);
+ // Get library name without any prefix
+ $this->lib_name = str_replace(array('CI_', $prefix), '', get_class($this));
}
- // The class will be prefixed with the parent lib
- $child_class = $this->lib_name.'_'.$child;
+ // The child will be prefixed with the parent lib
+ $child_name = $this->lib_name.'_'.$child;
- // Remove the CI_ prefix and lowercase
- $lib_name = ucfirst(strtolower(str_replace('CI_', '', $this->lib_name)));
- $driver_name = strtolower(str_replace('CI_', '', $child_class));
+ // See if requested child is a valid driver
+ if ( ! in_array($child, $this->valid_drivers))
+ {
+ // The requested driver isn't valid!
+ $msg = 'Invalid driver requested: '.$child_name;
+ log_message('error', $msg);
+ show_error($msg);
+ }
+
+ // Get package paths and filename case variations to search
+ $CI = get_instance();
+ $paths = $CI->load->get_package_paths(TRUE);
- if (in_array($driver_name, array_map('strtolower', $this->valid_drivers)))
+ // Is there an extension?
+ $class_name = $prefix.$child_name;
+ $found = class_exists($class_name, FALSE);
+ if ( ! $found)
{
- // check and see if the driver is in a separate file
- if ( ! class_exists($child_class))
+ // Check for subclass file
+ foreach ($paths as $path)
{
- // check application path first
- foreach (get_instance()->load->get_package_paths(TRUE) as $path)
+ // Does the file exist?
+ $file = $path.'libraries/'.$this->lib_name.'/drivers/'.$prefix.$child_name.'.php';
+ if (file_exists($file))
{
- // loves me some nesting!
- foreach (array(ucfirst($driver_name), $driver_name) as $class)
+ // Yes - require base class from BASEPATH
+ $basepath = BASEPATH.'libraries/'.$this->lib_name.'/drivers/'.$child_name.'.php';
+ if ( ! file_exists($basepath))
{
- $filepath = $path.'libraries/'.$lib_name.'/drivers/'.$class.'.php';
-
- if (file_exists($filepath))
- {
- include_once $filepath;
- break;
- }
+ $msg = 'Unable to load the requested class: CI_'.$child_name;
+ log_message('error', $msg);
+ show_error($msg);
}
+
+ // Include both sources and mark found
+ include_once($basepath);
+ include_once($file);
+ $found = TRUE;
+ break;
}
+ }
+ }
- // it's a valid driver, but the file simply can't be found
- if ( ! class_exists($child_class))
+ // Do we need to search for the class?
+ if ( ! $found)
+ {
+ // Use standard class name
+ $class_name = 'CI_'.$child_name;
+ if ( ! class_exists($class_name, FALSE))
+ {
+ // Check package paths
+ foreach ($paths as $path)
{
- log_message('error', "Unable to load the requested driver: ".$child_class);
- show_error("Unable to load the requested driver: ".$child_class);
+ // Does the file exist?
+ $file = $path.'libraries/'.$this->lib_name.'/drivers/'.$child_name.'.php';
+ if (file_exists($file))
+ {
+ // Include source
+ include_once($file);
+ break;
+ }
}
}
+ }
- $obj = new $child_class;
- $obj->decorate($this);
- $this->$child = $obj;
- return $this->$child;
+ // Did we finally find the class?
+ if ( ! class_exists($class_name, FALSE))
+ {
+ if (class_exists($child_name, FALSE))
+ {
+ $class_name = $child_name;
+ }
+ else
+ {
+ $msg = 'Unable to load the requested driver: '.$class_name;
+ log_message('error', $msg);
+ show_error($msg);
+ }
}
- // The requested driver isn't valid!
- log_message('error', "Invalid driver requested: ".$child_class);
- show_error("Invalid driver requested: ".$child_class);
+ // Instantiate, decorate and add child
+ $obj = new $class_name();
+ $obj->decorate($this);
+ $this->$child = $obj;
+ return $this->$child;
}
- // --------------------------------------------------------------------
-
}
-// END CI_Driver_Library CLASS
+// --------------------------------------------------------------------------
/**
* CodeIgniter Driver Class
@@ -107,12 +208,35 @@ class CI_Driver_Library {
* @link
*/
class CI_Driver {
- protected $parent;
- private $methods = array();
- private $properties = array();
+ /**
+ * Instance of the parent class
+ *
+ * @var object
+ */
+ protected $_parent;
- private static $reflections = array();
+ /**
+ * List of methods in the parent class
+ *
+ * @var array
+ */
+ protected $_methods = array();
+
+ /**
+ * List of properties in the parent class
+ *
+ * @var array
+ */
+ protected $_properties = array();
+
+ /**
+ * Array of methods and properties for the parent class(es)
+ *
+ * @static
+ * @var array
+ */
+ protected static $_reflections = array();
/**
* Decorate
@@ -124,14 +248,14 @@ class CI_Driver {
*/
public function decorate($parent)
{
- $this->parent = $parent;
+ $this->_parent = $parent;
// Lock down attributes to what is defined in the class
// and speed up references in magic methods
$class_name = get_class($parent);
- if ( ! isset(self::$reflections[$class_name]))
+ if ( ! isset(self::$_reflections[$class_name]))
{
$r = new ReflectionObject($parent);
@@ -139,7 +263,7 @@ class CI_Driver {
{
if ($method->isPublic())
{
- $this->methods[] = $method->getName();
+ $this->_methods[] = $method->getName();
}
}
@@ -147,15 +271,15 @@ class CI_Driver {
{
if ($prop->isPublic())
{
- $this->properties[] = $prop->getName();
+ $this->_properties[] = $prop->getName();
}
}
- self::$reflections[$class_name] = array($this->methods, $this->properties);
+ self::$_reflections[$class_name] = array($this->_methods, $this->_properties);
}
else
{
- list($this->methods, $this->properties) = self::$reflections[$class_name];
+ list($this->_methods, $this->_properties) = self::$_reflections[$class_name];
}
}
@@ -166,21 +290,18 @@ class CI_Driver {
*
* Handles access to the parent driver library's methods
*
- * @access public
* @param string
* @param array
* @return mixed
*/
public function __call($method, $args = array())
{
- if (in_array($method, $this->methods))
+ if (in_array($method, $this->_methods))
{
- return call_user_func_array(array($this->parent, $method), $args);
+ return call_user_func_array(array($this->_parent, $method), $args);
}
- $trace = debug_backtrace();
- _exception_handler(E_ERROR, "No such method '{$method}'", $trace[1]['file'], $trace[1]['line']);
- exit;
+ throw new BadMethodCallException('No such method: '.$method.'()');
}
// --------------------------------------------------------------------
@@ -195,9 +316,9 @@ class CI_Driver {
*/
public function __get($var)
{
- if (in_array($var, $this->properties))
+ if (in_array($var, $this->_properties))
{
- return $this->parent->$var;
+ return $this->_parent->$var;
}
}
@@ -214,14 +335,10 @@ class CI_Driver {
*/
public function __set($var, $val)
{
- if (in_array($var, $this->properties))
+ if (in_array($var, $this->_properties))
{
- $this->parent->$var = $val;
+ $this->_parent->$var = $val;
}
}
}
-// END CI_Driver CLASS
-
-/* End of file Driver.php */
-/* Location: ./system/libraries/Driver.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-12-03 09:33:08 +0100